MAZ-203

{{One source|date=January 2024}}

{{short description|Belarus manufactured low-floor single-decker bus}}

{{Infobox UK Bus

| name = MAZ-203

| image = MAZ 203-076 in Kielce.jpg

| caption = MAZ-203

| manufacturer = MAZ

| production = 2006–present

| assembly = {{flagicon|BLR}} Minsk, Belarus (MAZ)
{{flagicon|SER}} Kragujevac, Serbia (Vulović Transport)

| class = Single-decker city-bus

| floortype = Low-floor

| doors = 3

| length = {{convert|12000|mm|ftin|frac=8|abbr=on}}

| width = {{convert|2550|mm|ftin|frac=8|abbr=on}}

| height = {{convert|2930|mm|ftin|frac=8|abbr=on}}
({{convert|3050|mm|ftin|frac=8|abbr=on|disp=sqbr}}
with air-conditioning)

| weight = {{cvt|11100|kg|lb}} (kerb)
{{cvt|18000|kg|lb}} (full)

| chassis = MAZ

| engine = Mercedes-Benz OM 906 LA
Deutz TCD 2013LO6
Euro III or Euro IV

| powerout = 205 (Mercedes-Benz) or 170 (Deutz)

| transmission = automatic or mechanic ZF or Voith Diwa

| predecessor = MAZ-103

| successor = MAZ-303

}}

The MAZ-203 is a fully low-floor single-decker bus. It is a representative of the second generation of MAZ city buses, being a successor to the MAZ-103. It has been built since 2006, there are over 100 models have been built already. MAZ 203 can be found in Poland, Ukraine, Russia and Romania. In Serbia, MAZ has been working in cooperation with local-based company BIK (Bus industries Kragujevac) for the manufacture of BIK-203, a bus manufactured on the basis of the platform of MAZ-203.[http://www.ekapija.rs/website/sr/page/231082_en Gas-powered bus from Kragujevac] at ekapija.rs, 20-4-2009

There is also a trolleybus variant of the MAZ-203 built from 2008, MAZ-ETON T203 with electrical equipment of Eton, Belarus (GTO or IGBT).